x402 and MPP solved one-time.
CrossMPP solves recurring.
x402 and MPP define how an agent pays for a single request. Neither says anything about what happens next: renewals, billing cycles, budgets. CrossMPP adds that layer, with on-chain subscriptions, allowances, and metered billing for AI agents, settled on pump.fun in under a second for a fraction of a cent.
$CROSSMPP - coming soon on pump.fun
Every recurring charge, visible. Every renewal, on-chain.
Plans
Publish subscription tiers agents can discover on-chain
and subscribe to on their own. No accounts, no API keys.
- Fixed & metered pricing
- Immutable once created
- On-chain plan registry
pump.fun Settlement
Finality in around 400 milliseconds at a fraction of a cent.
Every transaction publicly verifiable on-chain.
Subscriptions
On-chain records linking an agent's wallet to a plan.
Billing runs on schedule with no agent action required.
Allowances
Set spending caps for agents. Services pull funds
within authorized limits. Never a cent more.
Payment Sessions
High-frequency agents authenticate once,
settle in batches. Near-zero per-request overhead.
x402 & MPP
Native compatibility with the open standards
driving agent-to-service payments across the web.
Facilitator Network
Verification and settlement handled by the CrossMPP
facilitator. You never write blockchain code.
x402 and MPP handle the request. CrossMPP handles everything after it: subscriptions, renewals, budgets, and metered billing.
Integrate CrossMPP with any agent framework
USE CASES
The missing layer between agents and the services they depend on.
Inference APIs, data feeds, MCP servers, and even other agents all bill on a schedule. CrossMPP lets an agent subscribe, renew, and stay within budget without a human in the loop, and every charge lands on-chain where anyone can verify it.
Join the builder community
Developers adding recurring billing to agents and services, covering the part of the stack that x402 and MPP leave open.
“Finally, a billing layer built for agents rather than humans. I dropped CrossMPP into my LangChain workflow in under an hour and my agents now subscribe to APIs on their own.”
“x402 + CrossMPP on pump.fun is the stack I didn't know I needed. Sub-cent fees, sub-second finality, and my agents can pay for anything autonomously.”
“We run MCP servers that charge per call. The CrossMPP facilitator handles all of the settlement and we never wrote a line of blockchain code.”
“CrossMPP handles our agent billing exactly the way Stripe handles human billing. Clean SDK, great docs, everything just works.”
“The on-chain transparency is the killer feature for us. Every agent transaction is publicly auditable. No proprietary ledger, no black boxes.”
“Published our first subscription plan on-chain with CrossMPP in a weekend. Agents from three different frameworks subscribed without any extra integration work.”
Transparent by design
CrossMPP has no proprietary ledger. Every subscription, payment, and plan is a publicly readable account on pump.fun. The chain is the ledger. Inspect any transaction, verify any settlement, audit any agent.
Open beta · Built on pump.fun